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157904356 = 226121032
BaseRepresentation
bin10010110100101…
…10110111100100
3102000010101001111
421122112313210
5310410414411
623400234404
73625110361
oct1132266744
9360111044
10157904356
1181150975
1244a6ba04
132693893c
1416d85468
15dce1721
hex9696de4

157904356 has 27 divisors (see below), whose sum is σ = 283690953. Its totient is φ = 76903920.

The previous prime is 157904353. The next prime is 157904399. The reversal of 157904356 is 653409751.

The square root of 157904356 is 12566.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5134756 + 152769600 = 2266^2 + 12360^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157904353) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1533001 + ... + 1533103.

Almost surely, 2157904356 is an apocalyptic number.

157904356 is the 12566-th square number.

It is an amenable number.

157904356 is a deficient number, since it is larger than the sum of its proper divisors (125786597).

157904356 is an equidigital number, since it uses as much as digits as its factorization.

157904356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The cubic root of 157904356 is about 540.5029105441.

The spelling of 157904356 in words is "one hundred fifty-seven million, nine hundred four thousand, three hundred fifty-six".

Divisors: 1 2 4 61 103 122 206 244 412 3721 6283 7442 10609 12566 14884 21218 25132 42436 383263 647149 766526 1294298 1533052 2588596 39476089 78952178 157904356